Real Time with Bill Maher 12x01: Glenn Greenwald; James Carville, Jennifer Granholm and Steve Schmidt; Mary Matalin
Real Time with Bill Maher 12x02: Erin Brockovich; Josh Barro, Howard Dean and Carly Fiorina; Willie Nelson
Real Time with Bill Maher 12x03: John Ridley; Ronan Farrow, Chrystia Freeland and Darrell Issa; Stephen Merchant
Real Time with Bill Maher 12x04: Charlie Crist; Tom Colicchio, S.E. Cupp and Alicia Menendez; P.J. O'Rourke
Real Time with Bill Maher 12x05: Bill Nye; Eric Klinenberg, Jeremy Scahill and Andrew Sullivan; Mayim Bialik
Real Time with Bill Maher 12x06: Michelle Alexander; Charles C. W. Cooke, Jane Harman and Rachel Maddow; Steve Coogan
Real Time with Bill Maher 12x07: Christopher Leonard; Austan Goolsbee, Margaret Hoover and Bill Kristol; Bruce Dern
Real Time with Bill Maher 12x08: Alan Weisman; Amy Chua, Salman Rushdie and Andrew Sullivan; Seth MacFarland
Real Time with Bill Maher 12x13: Tom Steyer; John Avlon, Charles Murray and Christine Quinn; Annabelle Gurwitch
Real Time with Bill Maher 12x16: Robert Lustig; Ian Bremmer, Kellyanne Conway and Brian Schweitzer; Kevin Nealon
Real Time with Bill Maher 12x15: Sister Simone Campbell; Arianna Huffington, Baratunde Thurston and Matt Welch; Dinesh D'Souza
Real Time with Bill Maher 12x17: Jose Antonio Vargas; David Frum, Michael Smerconish and Anna Deavere Smith; Sarah Silverman
Real Time with Bill Maher 12x19: Gina McCarthy; Richard Clarke, Krystal Ball and Tom Rogan; Carol Leifer
Real Time with Bill Maher 12x20: Ta-nehisi Coates; Glenn Greenwald, Paul Rieckhoff and Kristen Soltis Anderson; Mike Shinoda
Real Time with Bill Maher 12x22: Jason Box; Donna F. Edwards, Reihan Salam and Ron Suskind; Sandra Tsing Loh
